Pierre Labastie wrote:
On 18/10/2015 12:29, Rob wrote:
Good morning all.
I have built and installed LFS, and a few packages from BLFS 7.7. Now I am
looking to now upgrade to 7.8. I did not see anything in the book specifically
geared toward going between LFS versions. Do I have to do anything different
when doing an upgrade rather than going from scratch?
I hope this made a little sense.
Thank you.
I guess BLFS developers warn against upgrading in place, and would recommend
starting anew.
Normally, to install a newer version of a package, you should remove the
previous one, for example using a package manager. On the other hand, when the
new version has no modifications in the names of libraries and executables
(check the "installed files" paragraphs) a newer version can usually safely
overwrite an older one. Some packages are tricky, though. One example is
glibc, which has been discussed several times in the list. See for example:
http://lists.linuxfromscratch.org/pipermail/lfs-dev/2013-December/068547.html
and the associated thread.
I update packages over old versions all the time, but as Pierre says,
glibc is a problem. If I need to update that, I rebuild the whole
system. That said, you don't have to update just because a new package
is released. If you don't know why a new release was made, you probably
don't need it.
I have one system I use every day that was built in 2012. I rarely have
to update a package on that system.
-- Bruce
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